This bleat was created by sound designer Jimmy MacDonald for the Disney Pluto cartoon The Legend of Coyote Rock, released in 1945. It was later preserved in the Hollywood Edge sound effects library as part of a lamb and goat bleats collection, where editors could find it alongside other farm animal recordings. Because it is a genuine vintage cartoon effect rather than a modern imitation, it still feels warm and authentic in farm videos, children's content and comedy edits, and its very short length makes it easy to reuse without distracting from dialogue.